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Finding the Fourth Proportional to 544.12, 749.93 and 347.29

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Solution

The fourth proportional to 544.12, 749.93 and 347.29 is: 478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.12 : 749.93 = 347.29 : x
  2. Step 2: Convert to fraction form
    544.12/749.93 = 347.29/x
  3. Step 3: Cross multiply
    544.12x = 749.93 × 347.29
  4. Step 4: Simplify right side
    544.12x = 260,439.58
  5. Step 5: Solve for x
    x = 260,439.58/544.12
  6. Step 6: Final answer
    x = 478.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.